triterpene


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triterpene

[trī′tər‚pēn]
(organic chemistry)
One of a class of compounds having molecular skeletons containing 30 carbon atoms, and theoretically composed of six isoprene units; numerous and widely distributed in nature, occurring principally in plant resins and sap; an example is ambrein.
References in periodicals archive ?
All above spectral data revealed that it was a tarxastane type triterpene having a lactone, a ketone group and a terminal olefinic moiety.
Although statistical tests revealed significant differences for mean concentration in QTTs and Glu-BA, some extreme values of individual triterpenes were very close for sessile and pedunculate oak (see "Mean, Minimal and Maximum Values Observed in Sessile and Pedunculate Oak").
James and Dubery, (2009) observed that location of planting and the environmental conditions of that location affect the triterpene components of the C.
determined the triacylglycerol and triterpene ester fraction composition of the kernel fats of the shea tree from 36 samples from Cote d'Ivoire, Ghana, Nigeria, Cameroon, Chad, Sudan, and Uganda.
MA ([greater than or equal to] 98% purity) is a natural triterpene obtained as a byproduct of the olive oil manufacturing process from O.
Induction of differentiation in the cultured F9 teratocarcinoma stem cells by triterpene acids.
3]OD) of a chromatographic fraction (F4) containing lupeol as a main triterpene in yellow propolis.
Hemolytic activities of triterpene glycosides from the holothurian order Dendrochirotida: some trends in the evolution of this group of toxins.
The 1H NMR spectrum (400 MHz CDCl ) of compound (4) clearly revealed a triterpene type carbon skeleton of the lupane series with two exomethylene proton resonances at A 4.
Pandey, "Eclalbatin, a triterpene saponin from Eclipta alba" Journal of Asian Natural Products Research, vol.